6,976 questions
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Undesired Pulsating in Rendering and Cumulative Slowdown When Implementing Fixed Physics Timestep in Multithreaded Physics [closed]
INTRO
I am getting unwanted pulsing and slowing down in rendering 2d particles, which should be drawn faintly (low alpha) and leave a fading trail under the influence of gravity. Below is a ...
0
votes
0
answers
24
views
How to perform LoD filtering in orthogonal projection mode?
I have implemented point cloud rendering software based on Qt, referencing Potree. Its hierarchical filtering principle is as follows:
First, the entire point cloud map is divided into small point ...
- 1
0
votes
1
answer
81
views
NiceGUI and Image Flicking during brighness adjustment
I would like to know why image flicking while adjust it's brightness during adjustment. here is my script:
from nicegui import ui
from PIL import Image, ImageEnhance
import io, base64
original_image = ...
-1
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0
answers
141
views
Y-axis rotation in python [duplicate]
So I was trying to make a 3d engine from scratch in Python when i tried to rotate the plane. All axes were fine as predefined rotations in 3d space, but when updating rotation in the code, only the x ...
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-3
votes
1
answer
50
views
Auto converting typed math to Latex/Mathjax [closed]
I use a learning management system from my coaching classes, and due to copyrighted material, I can't share screenshots here. However, I'm attempting to convert typed math to Latex/Mathjax math ...
1
vote
0
answers
62
views
Render Texture Triangle From Vertexes and Uvs
I'm attempting to render out part of a spritesheet to a new standalone texture. I have the triangles, vertexes and uv coords of my sprite but my code only correctly renders the first triangle not the ...
- 31
0
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0
answers
89
views
DrawText inside a foreach cycle with SkiaSharp
I'm working with SkiaSharp library and I write this main code for the text's rendering:
private void SendText(OggettoLayout oggetto, SKCanvas canvas, float dpi, bool antialiasingOff)
{
...
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0
answers
47
views
How to filter a curve to prevent overlap of segments during rendering
I have a sequence of points in 2d that are rendered as a thick line by using quads.The quads are formed by extruding the curve around its center line in the normal direction.
The figure is showing a ...
- 6,286
2
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0
answers
36
views
Eclipse BIRT PDF Report Not Rendering Sora Font in Spring Boot 4 Web App
I'm facing a major issue with Eclipse BIRT. Our management team has created a report that works fine and pulls the correct data. However, when I integrate it into our web application, the fonts do not ...
- 21
1
vote
1
answer
83
views
State changes are very slow
This is a notes app that will use microphone to write notes. Everything is working great but state changes are very delayed. When the MicButton is pressed, the icon should change instantly, but it ...
1
vote
1
answer
117
views
Vulkan complains about invalid VkFramebuffer handle
I'm currently working on my Vulkan renderer and I'm trying to implement ImGUI. I use 2 separate render passes. One for the "main" rendering of my scene and one for DearImGUI. But here comes ...
- 31
0
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0
answers
37
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Angular 18 - scrolldown trigger for component On View change
I am building a discord-like instant messaging chat app and I am looking for a solution to scroll down to the bottom of a components view in a "channel" component. The component contains ...
- 131
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0
answers
36
views
How do I get CMake to generate the Xcode file described in this tutorial?
In the Creating A 3D Application With Hydra Rendering tutorial on the Apple Developer website, on the last step where I execute this command: cmake -S ~/Users/macuser/...
- 1
0
votes
0
answers
27
views
SoHandleBoxDragger bounding box flickers when one side thickness is less than 50cm
I am quite new to Open Inventor and I am trying to create a very thin bounding box where thickness along an axis can be as small as 1cm.
My scenegraph is as follows:
root (SoSeparator) -> mySep (...
- 99
0
votes
0
answers
34
views
Running aitviewer on remote server headless mode
I'm running aitviewer on a remote linux server with no GUI, in headless mode and in the documentation it's recommended to use
export DISPLAY=:0.0
Xvfb :0 -screen 0 640x480x24 &
but I cannot ...
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0
votes
1
answer
85
views
Check if React Native screen has completed rendering
I have made a React Native app. In this app, I have made a footer. This footer has been added to each screen using the App.js file:
function ScreenWithFooter({ "component": Component, ......
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2
votes
1
answer
121
views
Why is my Stippled Line Code (C99/SDL2) not working properly?
A few weeks back i was prototyping something in SDL2 (using SDL Surfaces) to make stippled lines for my app PGM. I did conplete the code; At first I assumed it was working as intended but when i ...
- 37
0
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0
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52
views
Bindless Uniform Variables
I am implementing a 3d renderer in OpenGL.
Here is how you would render some 3d models:
Renderer3D.begin(camera);
Renderer3D.setShader(shader_1);
Renderer3D.render(model_1, transform_1);
Renderer3D....
0
votes
0
answers
56
views
blurred circles in Raylib-cs
I wrote some code in C# and Raylib-cs. It should do this: When you do a click, there should be drawn a circle and a line between the center of the circle and the actual mouse position. When you do ...
- 325
0
votes
1
answer
131
views
Draw each rendered scanline in windowed raytracer? [closed]
I'm refactoring a raytracer to have a window pop up that shows each scanline produced instead of having to wait for the ppm image to be rendered and open it with some ppm viewer.
I've been advised to ...
- 185
1
vote
1
answer
238
views
TypeError: Cannot read properties of undefined (reading 'traverse') in VTK.js when trying to render an image in React
I'm working on a project using React and VTK.js, and I'm encountering an error when trying to render a medical image using vtkRenderWindow and vtkRenderer. The error I am getting is:
TypeError: Cannot ...
1
vote
3
answers
190
views
Parallelized ray tracer is slower than single thread version
i'm writing a raytracer based on the popular raytracing in a weekend series.
i've tried to parallelize it by dividing the image in slices and give each thread a portion of the image to render:
void ...
- 185
2
votes
1
answer
88
views
How to rasterize an implicit function
For minecraft building, I am rasterizing some shapes.
How to simulate a shape with blocks. There are many shapes, such as circular rings, ellipsoids, hyperbolic circular towers, etc. Of course, the ...
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0
votes
1
answer
113
views
Differentiable Environment Map Failing Backpropagation in Mitsuba 3.6.4
I'm trying to set up a scene in Mitsuba 3 where I optimize an environment map parameter, emitter.data. This seems like it should be possible given their caustics optimization tutorial and the fact ...
- 351
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votes
0
answers
45
views
How to set height & width in pm4py's graph visualization?
If I use the Python package pm4py, I get a nice graph visualization. However, the size is quite small in terms of height, and I want to change it. The code so far:
from pm4py.visualization.bpmn import ...
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